proper belarusian locale support (#24112)

web/public/locales/en/common.json

@@ -197,6 +197,7 @@
       "fa": "فارسی (Persian)",
       "pl": "Polski (Polish)",
       "uk": "Українська (Ukrainian)",
+      "be": "Беларуская (Belarusian)",
       "he": "עברית (Hebrew)",
       "el": "Ελληνικά (Greek)",
       "ro": "Română (Romanian)",

web/src/hooks/use-date-locale.ts

@@ -25,6 +25,7 @@ const localeMap: Record<string, () => Promise<Locale>> = {
   fa: () => import("date-fns/locale/fa-IR").then((module) => module.faIR),
   pl: () => import("date-fns/locale/pl").then((module) => module.pl),
   uk: () => import("date-fns/locale/uk").then((module) => module.uk),
+  be: () => import("date-fns/locale/be").then((module) => module.be),
   he: () => import("date-fns/locale/he").then((module) => module.he),
   el: () => import("date-fns/locale/el").then((module) => module.el),
   ro: () => import("date-fns/locale/ro").then((module) => module.ro),

web/src/lib/const.ts

@@ -45,6 +45,7 @@ export const supportedLanguageKeys = [
   "sl",
   "lt",
   "uk",
+  "be",
   "cs",
   "hu",
 ];